A 75kg man goes up a tower 30 m in 120s. How much power did the man exert

If the force on an object is in the negative direction, the work it does on the object must be [2 points a) negative. b) positive c) the work could be either positive or negative, depending on the direction the object moves

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

How many atoms of nitrogen are in the chemical formula ni(w on